C.R. LAURENCE K5059 CRL Black Screen and Storm Door Hydraulic Closer; Medium to Heavy Duty. This CRL Hydraulic Door Closer is great for storm, screen, jalousie or light interior doors up to 1-3/8 inches (28.6 millimeters) thick. It features "fingertip" adjustment by just rotating the tube to increase or decrease closing power. It allows the door to swing open to 90 , then smoothly close.. Part Numbers Variations: K5059
